Given $csctheta^circ=sqrt3/2$ and $sectheta^circ=sqrt3/3$ , how do you find $costheta$ ?

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Answer 1 · 2016-12-29T14:51:53

$costheta = sqrt(3)$

$sectheta = 1/costheta$

$sqrt(3)/3 = 1/costheta$

$costheta = 3/sqrt(3)$

Rationalize the denominator:

$costheta = (3sqrt3)/3$

$costheta = sqrt(3)$

Hopefully this helps!

Given csctheta^circ=sqrt3/2csctheta^circ=sqrt3/2 and sectheta^circ=sqrt3/3sectheta^circ=sqrt3/3, how do you find costhetacostheta?